Lohan, who turned 26 Monday, plays screen icon Elizabeth Taylor in the Lifetime bio-picture, which is to air on the cable network Nov. 3.
"Lindsay successfully wrapped late last night and the movie is done," her representative, Steve Honig, told E! News Tuesday.
"Thank you for all the birthday wishes! Also -- that's a wrap on Liz & Dick -- thank you to all my fans, crew members, friends & Lifetime!" Lohan said via Twitter Tuesday.